// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

abstract class Quantizer {
  Future<QuantizerResult> quantize(List<int> pixels, int maxColors);
}

class QuantizerResult {
  final Map<int, int> colorToCount;

  final Map<int, int> inputPixelToClusterPixel;
  const QuantizerResult(this.colorToCount,
      {this.inputPixelToClusterPixel = const {}});
}
